20719145

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{479}}^1$

素因数の和:736

約数の個数: 16

約数和(自身を含む): 25643520

約数和(自身を除く): 4924375

約数列:

[1, 5, 41, 205, 211, 479, 1055, 2395, 8651, 19639, 43255, 98195, 101069, 505345, 4143829, 20719145]

約数ペア:

[(1, 20719145), (5, 4143829), (41, 505345), (205, 101069), (211, 98195), (479, 43255), (1055, 19639), (2395, 8651)]